Make it possible to only disassemble a range of timestamps or sample indexes. This will be used by the test to limit the runtime, but it's also useful for users.
Signed-off-by: James Clark james.clark@linaro.org --- .../scripts/python/arm-cs-trace-disasm.py | 22 +++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/tools/perf/scripts/python/arm-cs-trace-disasm.py b/tools/perf/scripts/python/arm-cs-trace-disasm.py index 02e957d037ea..a097995d8e7b 100755 --- a/tools/perf/scripts/python/arm-cs-trace-disasm.py +++ b/tools/perf/scripts/python/arm-cs-trace-disasm.py @@ -55,6 +55,11 @@ args.add_argument("-k", "--vmlinux", args.add_argument("-d", "--objdump", nargs="?", const=default_objdump(), help="Show disassembly. Can also be used to change the objdump path"), args.add_argument("-v", "--verbose", action="store_true", help="Enable debugging log") +args.add_argument("--start-time", type=int, help="Time of sample to start from") +args.add_argument("--stop-time", type=int, help="Time of sample to stop at") +args.add_argument("--start-sample", type=int, help="Index of sample to start from") +args.add_argument("--stop-sample", type=int, help="Index of sample to stop at") + options = args.parse_args()
# Initialize global dicts and regular expression @@ -63,6 +68,7 @@ cpu_data = dict() disasm_re = re.compile(r"^\s*([0-9a-fA-F]+):") disasm_func_re = re.compile(r"^\s*([0-9a-fA-F]+)\s.*:") cache_size = 64*1024 +sample_idx = -1
glb_source_file_name = None glb_line_number = None @@ -151,10 +157,10 @@ def print_disam(dso_fname, dso_start, start_addr, stop_addr):
def print_sample(sample): print("Sample = { cpu: %04d addr: 0x%016x phys_addr: 0x%016x ip: 0x%016x " \ - "pid: %d tid: %d period: %d time: %d }" % \ + "pid: %d tid: %d period: %d time: %d index: %d}" % \ (sample['cpu'], sample['addr'], sample['phys_addr'], \ sample['ip'], sample['pid'], sample['tid'], \ - sample['period'], sample['time'])) + sample['period'], sample['time'], sample_idx))
def trace_begin(): print('ARM CoreSight Trace Data Assembler Dump') @@ -216,6 +222,7 @@ def print_srccode(comm, param_dict, sample, symbol, dso): def process_event(param_dict): global cache_size global options + global sample_idx
sample = param_dict["sample"] comm = param_dict["comm"] @@ -231,6 +238,17 @@ def process_event(param_dict): ip = sample["ip"] addr = sample["addr"]
+ sample_idx += 1 + + if (options.start_time and sample["time"] < options.start_time): + return + if (options.stop_time and sample["time"] > options.stop_time): + exit(0) + if (options.start_sample and sample_idx < options.start_sample): + return + if (options.stop_sample and sample_idx > options.stop_sample): + exit(0) + if (options.verbose == True): print("Event type: %s" % name) print_sample(sample)